Ross 23

[ α=3.9h, δ=53.6° | M1.5Ve | d=22.5 pc ]
GJ 156.1 , GJ 9138 , HIP 18465 , TYC 3717-624-1
Best fit:
Tstar = 3720 ± 10 K , Lstar = 0.0643 ± 0.0005 LSun , Rstar = 0.612 ± 0.005 RSun